<template>
   <el-form inline="true">
      <el-form-item>
         <selector v-model="params.difficulty" placeholder="请选择题目难度" style="width: 200px;"></selector>
      </el-form-item>
      <el-form-item>
         <el-input v-model="params.title" placeholder="请您输入要搜索的题目标题" />
      </el-form-item>
      <el-form-item>
         <el-button plain @click="onSerch">搜索</el-button>
         <el-button plain @click="onReset" type="info">重置</el-button>
         <el-button plain type="primary" :icon="Plus" @click="onAddQuestion">添加题目</el-button>
      </el-form-item>
   </el-form>
   <el-table height="526px" :data="questionList">
      <el-table-column prop="questionId" width="180px" label="题目id" />
      <el-table-column prop="title" label="题目标题" />
      <el-table-column prop="difficulty" label="题目难度" width="90px">
         <template #default="{ row }">
            <div v-if="row.difficulty === 1" style="color:#3EC8FF;">简单</div>
            <div v-if="row.difficulty === 2" style="color:#FE7909;">中等</div>
            <div v-if="row.difficulty === 3" style="color:#FD4C40;">困难</div>
         </template>
      </el-table-column>
      <el-table-column prop="createName" label="创建人" width="140px" />
      <el-table-column prop="createTime" label="创建时间" width="180px" />
      <el-table-column label="操作" width="100px" fixed="right">
         <template #default="{ row }"> <!--插槽用来获取题目id-->>
            <el-button type="text" @click="onEdit(row.questionId)">编辑
            </el-button>
            <el-button type="text" class="red" @click="onDelete(row.questionId)">删除
            </el-button>
         </template>
      </el-table-column>
   </el-table>
   <el-pagination size="small" background layout="total, sizes, prev, pager, next, jumper" :page-sizes="[5, 10, 15, 20]"
      :total="total" v-model:current-page="params.pageNum" v-model:page-size="params.pageSize"
      @size-change="handleSizeChange" @current-change="handleCurrentChange" />
   <question-drawer ref="QuestionDrawerRef" @success="onSuccess"></question-drawer>
</template>
<script setup>
import { Plus } from "@element-plus/icons-vue"
import Selector from "@/components/QuestionSelector.vue"
import { reactive, ref } from 'vue'
import { delQuestionService, getQuestionListService } from "@/apis/question"
import QuestionDrawer from "@/components/QuestionDrawer.vue"
import service from "@/utils/request"
import { ElMessage } from "element-plus"
const params = reactive({
   title: "",
   difficulty: '',
   pageNum: 1,
   pageSize: 10
})
const questionList = ref([])
const total = ref(0)
async function getQuestionList() {
   const result = await getQuestionListService(params);
   console.log(result)
   questionList.value = result.rows;
   total.value = result.total
}
getQuestionList();
function handleSizeChange(newSize) {
   // params.pageSize = newSize;
   params.pageNum = 1;
   getQuestionList();
}
function handleCurrentChange(newPage) {
   // params.pageNum = newPage;
   getQuestionList();
}
function onSerch() {
   params.pageNum = 1;
   getQuestionList();
}
function onReset() {
   params.pageNum = 1
   params.pageSize = 10
   params.difficulty = ''
   params.title = ''
   getQuestionList();
}
const QuestionDrawerRef = ref()

function onAddQuestion() {
   QuestionDrawerRef.value.open()
}
function onSuccess(service) {
   if (service === 'add') {
      params.pageNum = 1;
   }
   getQuestionList()
}
async function onEdit(questionId) {
   QuestionDrawerRef.value.open(questionId)
}
async function onDelete(questionId) {
   await delQuestionService(questionId)
   params.pageNum = 1
   ElMessage.success('删除成功')
   getQuestionList()
}

</script>
